345494 has 8 divisors (see below), whose sum is σ = 521208. Its totient is φ = 171760.

The previous prime is 345487. The next prime is 345511. The reversal of 345494 is 494543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×345494² = 238732208072, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74 + ... + 834.

It is an arithmetic number, because the mean of its divisors is an integer number (65151).

2³⁴⁵⁴⁹⁴ is an apocalyptic number.

345494 is a deficient number, since it is larger than the sum of its proper divisors (175714).

345494 is a wasteful number, since it uses less digits than its factorization.

345494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990.

The product of its digits is 8640, while the sum is 29.

The square root of 345494 is about 587.7873765232. The cubic root of 345494 is about 70.1692503103.

The spelling of 345494 in words is "three hundred forty-five thousand, four hundred ninety-four".